Hi. = means assignment (like a=2, may be used instead of a <- 2, although I prefer to always use <-); It is also used to pass values to arguments in named argument lists, or to set default argument values).
== is the boolean (logical) operator for testing whether two values are equal e.g. a <- 2 b <- 2 then a == b is TRUE Hope this helps, Pedro At 13:28 2008/04/15, Linn wrote: >Hi >Could anyone please explain to me the difference between the = and the ==? >I'm quite new to R and I've tried to find out but didn't get any wiser... > >Thanks >-- >View this message in context: >http://www.nabble.com/%3D-vs.-%3D%3D--tp16700216p16700216.html >Sent from the R help mailing list archive at Nabble.com. > >______________________________________________ >R-help@r-project.org mailing list >https://stat.ethz.ch/mailman/listinfo/r-help >PLEASE do read the posting guide http://www.R-project.org/posting-guide.html >and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
